United States, Minnesota, Stearns, Padua Federal Waterfowl Production Area. Nearly level outwash plain three miles northwest of Padua, nine miles southwest of Sauk Centre.
Quite local in a small, (1.5-acre) degraded, mesic prairie remnant in a narrow strip between small, shallow wetlands and the property boundary (the adjacent private land is cultivated). Deep black loam. Full sun.